package xml.demo;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

public class demo3 {
    public static void main(String[] args) {
        //得到DOM解析器的工厂实例
        DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
        //从DOM工厂获得DOM解析器
        DocumentBuilder db= null;
        try {
            db = dbf.newDocumentBuilder();
            //解析XML文档，得到一个Document对象，即DOM树
            Document doc=db.parse("src/xml/demo1.xml");
            //读取pubDate
            NodeList list=doc.getElementsByTagName("pubDate");
            //pubDate元素节点
            Element pubDateElement=(Element)list.item(0);
            //读取文本节点
            String pubDate=pubDateElement.getFirstChild().getNodeValue();
            System.out.println(pubDate);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
